A000420 as tables, graphs or sounds

A000420 formatted as a simple table:

`n`		`a(n)`
`0`		`1`
`1`		`7`
`2`		`49`
`3`		`343`
`4`		`2401`
`5`		`16807`
`6`		`117649`
`7`		`823543`
`8`		`5764801`
`9`		`40353607`
`10`		`282475249`
`11`		`1977326743`
`12`		`13841287201`
`13`		`96889010407`
`14`		`678223072849`
`15`		`4747561509943`
`16`		`33232930569601`
`17`		`232630513987207`
`18`		`1628413597910449`
`19`		`11398895185373143`
`20`		`79792266297612001`
`21`		`558545864083284007`

[1,7,49,343,2401,16807,117649,823543,5764801, 40353607,282475249,1977326743,13841287201, 96889010407,678223072849,4747561509943, 33232930569601,232630513987207,1628413597910449, 11398895185373143,79792266297612001, 558545864083284007]

Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

AT&T Labs Research